Devine joined the Los Angeles County Sheriff's Department immediately after receiving her degree in criminalistics in 1985.
As a member of a panel of experts brought together by Attorney General Janet Reno, Devine contributed to the publication of a booklet entitled "Crime Scene Investigation: A Guide for Law Enforcement", a review of the fundamental principles of investigating crime scenes and preserving evidence.
As a criminalist and Crime Scene expert, Devine had a chance to work in the film industry as technical adviser.
She was nominated for a Writer's Guild award with Ann Donahue, for their Season 1 CSI episode entitled "Blood Drops."
Devine is now teaching a Crime Scene Investigation class to Juniors and Seniors at La Cañada High School.